Упражнение 6. Read and check. - Прочитай и проверь.
1 - one, 11 - eleven, 5 - five, 30 - thirty, 40 - forty, 84 - eighty-four, 98 - ninety-eight, 100 - a hundred, 1000 - a thousand
21st - the twenty-first, 22nd - the twenty-second, 38th - the thirty-eighth, 43rd - the forty-third, 50th - the fiftieth, 66th - the sixty-sixth, 79th - the seventy-ninth, 95th - the ninety-fifth, 100th - the hundredth